Protection apparatus for series pass MOSFETS

Details Protection apparatus for series pass MOSFETS Protection apparatus for series pass MOSFETS

1991-11-06

1994-07-26

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

307568, 361 91, H02H 900, H03K 508

Patent

active

053330935

ABSTRACT:
In order to restrict the voltage across the gate oxide of an input pass-through transistor which operates as an input signal source to a MOS inverter, a MOS transistor wired as a MOS diode is connected between the source and gate electrode of the pass-through transistor. The diode connected transistor allows the use of a thin oxide device for the pass-through transistor which enables a high transconductance device to be employed while restricting the voltage across the gate oxide of the pass-through transistor to an acceptable value.

REFERENCES:
patent: 3819952 (1974-06-01), Enomoto et al.
patent: 4005342 (1977-01-01), Davis
patent: 4061928 (1977-12-01), Kessler
patent: 4295176 (1981-10-01), Wittwer
patent: 4481521 (1984-11-01), Okumura
patent: 4527213 (1985-07-01), Ariizumi
patent: 4930037 (1990-05-01), Woo

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